Cutter disc for a paper shredder



FIG. 1 is a top plan view of a cutter disc for a paper shredder showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a bottom plan view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right side elevational view; and

FIG. 6 is a sectional view taken along line VI--VI. 

The ornamental design for a cutter disc for a paper shredder, as shown. 